Home / 148,575.23-222,469.18-89,329.40

Finding the Fourth Proportional to 148,575.23, 222,469.18 and 89,329.40

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Solution

The fourth proportional to 148,575.23, 222,469.18 and 89,329.40 is: 133,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,575.23 : 222,469.18 = 89,329.40 : x
  2. Step 2: Convert to fraction form
    148,575.23/222,469.18 = 89,329.40/x
  3. Step 3: Cross multiply
    148,575.23x = 222,469.18 × 89,329.40
  4. Step 4: Simplify right side
    148,575.23x = 19,873,037,032.22
  5. Step 5: Solve for x
    x = 19,873,037,032.22/148,575.23
  6. Step 6: Final answer
    x = 133,757.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.